1213754140

素因数分解:

$2^2\times 5^1\times {\mathrm{883}}^1\times {\mathrm{68729}}^1$

素因数の和:69621

約数の個数: 24

約数和(自身を含む): 2551807440

約数和(自身を除く): 1338053300

約数列:

[1, 2, 4, 5, 10, 20, 883, 1766, 3532, 4415, 8830, 17660, 68729, 137458, 274916, 343645, 687290, 1374580, 60687707, 121375414, 242750828, 303438535, 606877070, 1213754140]

約数ペア:

[(1, 1213754140), (2, 606877070), (4, 303438535), (5, 242750828), (10, 121375414), (20, 60687707), (883, 1374580), (1766, 687290), (3532, 343645), (4415, 274916), (8830, 137458), (17660, 68729)]